Apogee Symphony Mk II Modular Multi-channel Audio interface
- Best AD/DA conversion of any Thunderbolt Audio Interface
- Up to 32 Channels of modular analog I/O
- Ultra-low latency performance
- Intuitive touchscreen display
- Designed and Built in the U.S.A.
- Connectivity options: Pro Tools Plus, Thunderbolt, & SoundGrid
Symphony Mk II
Flagship Audio Interface
Symphony Mk II is a multi-channel audio interface featuring Apogee’s flagship AD/DA conversion, modular I/O (up to 32 inputs and outputs), intuitive touchscreen display and optional world-class microphone preamps. Designed to deliver professional sound quality for audio recording, mixing and mastering.
Build Your Own Symphony Mk II
Want to build your own custom Symphony I/O Mk II and get a breakdown on the price*? Click the button below to use our Build Your Own Symphony I/O Mk II page. Choose your modules, connection type, & more.

Platform Options
Choose your desired connectivity type to fit your studio. Symphony Mk II offers 3 different connectivity modules to choose from; Thunderbolt, Pro Tools + (Dante u0026 Pro Tools), and Waves SoundGrid.

The Magic is in the Modules
The I/O Modules are the sound and soul of Symphony I/O Mk II. Giving you total flexibility to build your dream interface. Our special edition modules offer you our highest performing system we have ever created.

Ready for Immersive Audio
With Symphony I/O Mk II Thunderbolt’s Monitor Workflows, you’ll effortlessly configure and operate your monitoring system for Dolby Atmos, Sony 360 Reality Audio and other immersive audio systems with control of up to 32 Speaker outputs.

| Weight | 8.37 kg |
|---|---|
| Dimensions | 58.17 × 46.99 × 30.23 cm |
| THD+N: |
-115 dB @ 22dBu (0.00020%) unweighted |
| Dynamic Range: |
122dB A weighted |
| Maximum input levels: |
+4dB setting: +24dBu |
| Frequency Response: |
44.1 kHz: dc to 20 kHz (+/- 0.05dB) |
| Output impedance: |
50 Ohm |
| Headphone Output: |
1 stereo 1/4″ headphone output on front panel |
| Power: |
90-240VAC, 50-60Hz, 150W |
| Modules: |
16×16 Special Edition |
| Operating System: |
Thunderbolt: Mac OS only 10.10 and above |
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